The French group might well manage to turn around General Motors' struggling division, but plants will close, and the UK looks vulnerable.
Uber's 'retreat' from China has led to soul-searching about whether the country is worth it. Don't tell that to Coca-Cola and GM, however, which have found great success in the People's Republic.
Few would remember this fantasy car as a model of motoring excellence. It owes its success instead to a fantasy film that has turned 30.